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Finding the Fourth Proportional to 62,459.84, 93,689.88 and 15,712.40

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Solution

The fourth proportional to 62,459.84, 93,689.88 and 15,712.40 is: 23,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,459.84 : 93,689.88 = 15,712.40 : x
  2. Step 2: Convert to fraction form
    62,459.84/93,689.88 = 15,712.40/x
  3. Step 3: Cross multiply
    62,459.84x = 93,689.88 × 15,712.40
  4. Step 4: Simplify right side
    62,459.84x = 1,472,092,870.51
  5. Step 5: Solve for x
    x = 1,472,092,870.51/62,459.84
  6. Step 6: Final answer
    x = 23,568.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.